<!-- 注册登录界面 -->
<template>
  <div class="bg">
    <div class="box">
      <div class="pre-box" ref="preRef">
        <h1>Welcome to 淘帮忙</h1>
        <p>JOIN US!</p>
        <div class="img-box">
          <img src="../img/baituo.png" alt="" />
        </div>
      </div>

      <div class="register-form">
        <el-form
          :rules="registerRules"
          :model="form"
          ref="registerForm"
          label-width="0px"
        >
          <div class="title-box">
            <h1>注册</h1>
          </div>
          <div class="input-box">
            <el-form-item prop="username">
              <el-input v-model="form.username" placeholder="用户名"></el-input>
            </el-form-item>
            <el-form-item prop="password">
              <el-input show-password v-model="form.password" placeholder="密码"></el-input>
            </el-form-item>
            <el-form-item prop="password2">
              <el-input
                show-password
                v-model="form.password2"
                placeholder="确认密码"
              ></el-input>
            </el-form-item>
          </div>
          <div class="btn-box">
            <button @click="regist">注册</button>
            <p @click="isLogin = true">已有账号？去登录</p>
          </div>
        </el-form>
      </div>

      <div class="login-form">
        <el-form
          :model="form"
          ref="loginForm"
          label-width="0px"
          :inline="false"
          size="normal"
        >
          <div class="title-box">
            <h1>登录</h1>
          </div>
          <div class="input-box">
            <el-form-item prop="username">
              <el-input v-model="form.username" placeholder="用户名"></el-input>
            </el-form-item>
            <el-form-item prop="password">
              <el-input show-password v-model="form.password" placeholder="密码"></el-input>
            </el-form-item>
          </div>
          <div class="btn-box">
            <el-form-item>
              <button @click.prevent="gotoHome">登录</button>
              <p style="display: inline-block" @click="isLogin = false">
                没有账号？去注册
              </p>
            </el-form-item>
          </div>
        </el-form>
      </div>
    </div>
  </div>
</template>

<script>
import { login, register } from "@/api/user.js";
import { setToken } from "../utils/auth.js";
export default {
  name: "login",
  data() {
    var validatePass2 = (rule, value, call) => {
      if (value === "") {
        call(new Error("确认密码不能为空！"));
        // password 是表单上绑定的字段
      } else if (value !== this.form.password) {
        call(new Error("两次输入密码不一致!"));
      } else {
        call();
      }
    };
    return {
      isLogin: true,
      isShow: true,
      flag: false,
      form: {
        username: "",
        password: "",
        password2: "",
      },
      registerRules: {
        username: [
          { required: true, message: "用户名不能为空！", trigger: "blur" },
        ],
        password: [
          { required: true, message: "密码不能为空！", trigger: "blur" },
        ],
        password2: [
          {
            required: true,
            validator: validatePass2,
            trigger: "blur",
          },
        ],
      },
    };
  },
  methods: {
    gotoHome: function () {
      console.log("登录");
      //用户登录
      login(this.form.username, this.form.password).then((response) => {
        // 登录成功记录token和用户信息，登录失败给对应提示
        setToken(response.token);
        // 存储用户信息
        localStorage.setItem("userInfo", JSON.stringify(response.userInfo));
        const lastUrl = localStorage.getItem("logUrl");
        if (lastUrl && "/login" != lastUrl) {
          this.$router.push({ path: localStorage.getItem("logUrl") });
        } else {
          this.$router.push({ path: "/" });
        }
      });
    },
    regist() {
      this.$refs.registerForm.validate((valid) => {
        if (valid) {
          register({
            username: this.form.username,
            password: this.form.password,
          }).then((res) => {
            this.$message({
              type: "success",
              message: "注册成功",
            });
            this.isLogin = true;
            this.form.password2 = "";
          });
        }
      });
    },
  },
  watch: {
    isLogin: {
      handler() {
        this.$refs.preRef.value = this.isLogin;
        console.log("欢迎来到淘帮忙！", "isLgoin：", this.isLogin);

        if (!this.isLogin) {
          this.$refs.preRef.style.transform = "translateX(100%)";
        } else {
          this.$refs.preRef.style.transform = "translateX(0)";
        }
      },
    },
  },
};
</script>



<style scoped>
/* 2023 5.11 18:58
    未使用transiton成功使用动画效果，需把v-show这种方法也写出来
 
*/

/* v-show动画
.shan-enter-active{
    animation: cartoon 2s forwards linear;
  
   
}

@keyframes cartoon {
    from{
        transform: translateX(0);

    }
    to{
        transform: translateX(100%);
    }
    
} */
* {
  margin: 0px;
  padding: 0px;
}
.bg {
  background-color: rgb(173, 222, 243);
  height: 100vh;
  display: flex;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
input {
  outline: none;
}
.box {
  width: 750px;
  height: 375px;
  display: flex;
  position: relative;
  /* background-color: #fff; */
  margin: auto;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 4px 4px 3px rgba(0, 0, 0, 0.1);
}
.pre-box {
  width: calc(750px / 2);
  height: 100%;
  left: 0;
  top: 0;
  position: absolute;
  border-radius: 4px;
  background-color: skyblue;
  box-shadow: 4px 4px 3px rgba(0, 0, 0, 0.1);
  transition: 0.75s ease-in-out;
  z-index: 1;
}
.pre-box h1 {
  margin-top: 40px;
  text-align: center;
  letter-spacing: 5px;
  color: white;
  text-shadow: 4px 4px 3px rgba(0, 0, 0, 0.1);
}
.pre-box p {
  height: 30px;
  line-height: 20px;
  text-align: center;
  margin: 20px 0;
  font-weight: bold;
  color: white;
  text-shadow: 4px 4px 3px rgba(0, 0, 0, 0.1);
  animation-fill-mode: forwards;
}

.img-box {
  width: 150px;
  height: 150px;
  margin: 20px auto;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 7px 8px 6px rgba(0, 0, 0, 0.3);
  transition: 0.5s;
}
.img-box img {
  width: 100%;
}

.login-form,
.register-form {
  flex: 1;
  height: 100%;
}
.title-box {
  height: 120px;
  line-height: 150px;
}
.title-box h1 {
  text-align: center;
  letter-spacing: 5px;
  color: white;
  text-shadow: 4px 4px 3px rgba(0, 0, 0, 0.1);
}
.input-box {
  display: flex;
  flex-direction: column;
  align-items: center;
}
input {
  width: 60%;
  height: 35px;
  margin-bottom: 15px;
  text-indent: 5px;
  border: 1px solid #b0cfe9;
  border-radius: 15px;
}
input:focus::placeholder {
  opacity: 0;
}
.btn-box {
  display: flex;
  justify-content: center;
}
button {
  width: 100px;
  height: 30px;
  margin-right: 7px;
  line-height: 30px;
  border: none;
  border-radius: 15px;
  background-color: rgb(72, 191, 212);
  color: white;
}
button:hover {
  cursor: pointer;
  opacity: 0.8;
}
.btn-box p {
  height: 30px;
  line-height: 30px;
  font-size: 14px;
  color: white;
}
.btn-box p:hover {
  cursor: pointer;
  border-bottom: 1px solid white;
}
.el-input {
  width: 230px;
}
div /deep/.el-input__inner {
  border-radius: 15px;
}
/* div /deep/ .el-input__inner:focus {
} */
div /deep/ .el-form-item {
  margin-bottom: 25px;
}
</style>